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Income Tax Expense - Schedule of Gross Deferred Tax Balances (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Net deferred tax assets and liabilities [abstract] |  |
- Deferred tax assets to be recovered after more than 12 months | ₩ 2,784 | ₩ 1,601
- Deferred tax assets to be recovered within 12 months | 5,725 | 5,801
Net deferred tax assets | 8,509 | 7,402
- Deferred tax liabilities to be recovered after more than 12 months | (1,019) | (15)
- Deferred tax liabilities to be recovered within 12 months | (3,167) | (3,817)
Net deferred tax liabilities | (4,186) | (3,832)
Deferred tax assets (liabilities), net | ₩ 4,323 | ₩ 3,570

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